A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, castellated, hexagon.
Classification: Nuts of iron or steel
NSN 2925-01-136-2551
NSN 5998-01-502-6245
NSN 6145-00-717-8421
NSN 6610-00-184-0833
NSN 6620-01-454-8926
NSN 5975-00-144-7878
NSN 6130-00-945-4175
NSN 5975-01-031-6403
NSN 5855-01-600-6437
NSN 5925-00-708-8769
NSN 6110-01-058-2112
NSN 5925-01-351-5542